tibia

例句：

1. 1. The doctor examined the patient's leg and found a fracture in the tibia.
   医生检查了患者的腿，发现胫骨骨折。
2. 2. The athletes ran on their toes for extra speed.
   运动员们踮着脚尖以获得额外的速度。
3. 3. She was injured during the game and had to have her tibia operated on.
   她在比赛中受伤，不得不进行胫骨手术。